$color: #333;
$color1: #999;
$on: #f60;

// @mixin
@mixin line-clamp($num) {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: $num;
  -webkit-box-orient: vertical;
}

// @function
@function px2vw($px) {
  @return $px/1920 * 100vw;
}
